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ABACK
- The sail filling on the wrong side in the case of a square rigger may cause
the ship to back up.
ABAFT
- Toward the rear (stern) of the boat. Behind
ABEAM -
At right angles to the keel of the boat, but not on the boat
ABOARD -
On or within the boat
ABOVE BOARD -
Above decks, therefore, meaning to be out in the open, visible to all; honest,
straight forward, etc.
ABOUT -
on the other tack
ABOVE DECK
- On the deck (not over it - see
ALOFT)
ABREAST -
Side by side; by the side of.
ABYSS -
That volume of ocean lying below 300 fathoms from surface
ADMEASURE
- Formal measurement of a boat for documentation
ADMIRALTY LAW - The "law of the sea."
ADRIFT
- Floating free
with the currents and tide, not under control
ADVECTION –
The transference of heat or cold by the horizontal movement of a mass of air AFT -
Toward the stern of the boat
AFTER BOW SPRING LINE -
A mooring line fixed to the bow of the boat and leading aft
where it is attached to the dock. This prevents the boat from moving forward in
its berth. Its opposite, the forward quarter spring line, is used to keep the
boat from moving aft in its berth
AFTERCABIN - In a ship with multiple cabins the cabin closest to
the stern
AFTERMAST - In a sailing ship carrying multiple masts,
the mast set closest to the stern. Also
called the mizzenmast in a three-masted sailing vessel.
AFTERMOST -
The farthest aft
AGAINST THE SUN –
An Anti-clockwise circular motion. Left-handed ropes are coiled against the sun
AGROUND -
Touching or fast to the bottom
AHEAD -
In a forward direction
AIDS TO NAVIGATION -
Artificial objects used to supplement natural landmarks in indicating safe and
unsafe waters. Any fixed object
that a navigator may use to find his position, such as permanent land or sea
markers, buoys, radio beacons, and lighthouses.
AIR DRAFT - This is the height of a vessel
above the water level; including any cargo or mast's. (See also Draft &
Bridge hole)
ALEE
- Away from the direction of the wind. Opposite of windward
ALTAR -
Step in a dry dock
ALONGSIDE
- Close beside a ship, wharf or jetty. ALOFT -
Above the deck of the boat
AHOY -
seaman's call to attract attention
AMAS -
The outboard hulls of a trimaran
AMERICA'S
CUP -The America’s Cup, dating from 1851, is the oldest trophy in is
considered yacht racing’s Holy Grail
AMIDSHIPS -
In or toward the center of the boat
ANCHOR - Any of a number of heavy, hook-shaped devices that
is dropped over the side of the boat on the end of a length of rope and/or
chain, and which is designed to hold a vessel securely in place until (a) the
wind exceeds 2 knots, (b) the owner and crew depart, or (c) 3 a.m.
ANCHORAGE -
A sheltered place or area where a boat can anchor
ANCHOR
BALL - A black ball visible in all direction display in the forward part
of a vessel at anchor
ANCHOR
BEND - A type of knot used to fasten an anchor to its line
ANCHOR
CHAIN - A chain attached to the anchor. The chain acts partially as a
weight to keep the anchor lying next to the ground so that it can dig in better
ANCHOR ICE -
Ice, of any form, that is aground in the sea
ANCHOR
LIGHT - A white light visible in all direction display in the forward
part of a vessel at anchor
ANCHOR LOCKER -Storage
space used for the anchor rode and anchor.
ANCHOR
WATCH - A member or members of the crew that keep watch and check the
drift of ship.
ANCHOR
WINDLASS - A windlass used to assist when raising the anchor
ANEMOMETER
- A device that measures wind velocity
ANGLE OF CUT
– The smaller angle at which two lines of position on a chart intersect
AP –
See Assumed Position
APEAK
- Said of an anchor when its cable is taut and vertical.
APPARENT
WIND – The direction of the wind as it appears on board.
It differs from the true direction due to the vessel’s motion
ARCH - A curved architectural structure used to support
suspended weight. In Great Lakes wooden shipbuilding, a wide iron- or
steel-fastened strap down each side of a ship, usually fastened low in the bow
and stern and rising to the level of the upper deck amidships provides
longitudinal support to the hull
ARCH BOARD - An arch-shaped nameboard fastened to the stern of a
ship, displaying the vessel's name and home port.
ARIES – In navigation, the position of the Sun in the sky
at the vernal equinox, i.e. at the moment when the Sun is on the celestial
equator in the spring
ARM – The part of an anchor extending outward from the
crown and terminating at the fluke.
ASH
BREEZE – Oar power
ASPECT
RATIO - The height of a sail or luff length in relation to its width.
ASSUMED
POSITION – Estimated position given in Latitude and Longitude, used
to calculate the Local Hour Angle (LHA) of a celestial body
ASTERN -
In back of the boat, opposite of ahead.
ATHWART -
Across. Transversely.
ATHWARTSHIPS -
At right angles to the centerline of the boat; rowboat seats are generally
athwart ships.
A-TRIP -
Said of anchor immediately it is broken out of the ground.
AUXILIARY
- A second
method of propelling a vessel. On a sailboat this could be a engine.
AVAST!
- The command to stop, or cease, in any operation.
AWASH
- Water washing over.
AWEIGH
- To raise an anchor off the
bottom. The position of anchor as it is raised clear of the bottom. |
